Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

A frontal boundary extending from the western High Plains to the Southeast will focus additional showers and thunderstorms this weekend. Some of these storms may become severe, alongside frequent lightning, and isolated instances of flash flooding. Meanwhile dry conditions will continue for the Great Basin where fire weather concerns linger. For the mid-Atlantic and Northeast, seasonable weather. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Rapid City, Rapid City Regional Airport (KRAP)

Lat: 44.05°NLon: 103.05°WElev: 3202ft.

Fair

77°F

25°C

Humidity	54%
Wind Speed	NW 7 mph
Barometer	30.09 in (1016.6 mb)
Dewpoint	59°F (15°C)
Visibility	10.00 mi
Heat Index	79°F (26°C)
Last update	3 Aug 10:52 am MDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

New Underwood SD

Today
High: 85 °F
Isolated
T-storms
Tonight
Low: 61 °F
Isolated
T-storms
Monday
High: 90 °F
Sunny then
Slight Chance
T-storms
Monday Night
Low: 65 °F
Mostly Clear
Tuesday
High: 90 °F
Sunny
Tuesday Night
Low: 63 °F
Mostly Clear
Wednesday
High: 92 °F
Sunny
Wednesday Night
Low: 65 °F
Mostly Clear
Thursday
High: 101 °F
Hot

Detailed Forecast

Today

Isolated showers and thunderstorms after noon. Partly sunny, with a high near 85. North wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 20%.

Tonight

Isolated showers and thunderstorms. Partly cloudy, with a low around 61. West wind around 5 mph becoming calm after midnight. Chance of precipitation is 20%.

Monday

A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 90. Southwest wind 5 to 15 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.

Monday Night

Mostly clear, with a low around 65. South wind 10 to 15 mph, with gusts as high as 25 mph.

Tuesday

Sunny, with a high near 90. Southeast wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.

Tuesday Night

Mostly clear, with a low around 63. North wind 5 to 15 mph, with gusts as high as 25 mph.

Wednesday

Sunny, with a high near 92. Northwest wind 5 to 15 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.

Wednesday Night

Mostly clear, with a low around 65. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

Thursday

Mostly sunny and hot, with a high near 101.